﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Input;
using Microsoft.Win32;
using System.Windows;
using System.Xml;

namespace SHomeWorkshop.LunarMind.Commands
{
    /// <summary>
    /// 以此类为模板，制作自定义命令类
    ///     共需要修改１０处！！！
    /// ==============================
    /// 
    /// 设置边框宽度命令。
    /// ★①，修改类名。
    /// </summary>
    public static class TitleBorderWidthCommand
    {
        private static RoutedUICommand routedUICmd;//创建私有字段

        public static RoutedUICommand RoutedUICmd//创建只读静态属性
        {
            get { return routedUICmd; }
        }

        /// <summary>
        /// ★②，修改静态构造方法名。
        /// </summary>
        static TitleBorderWidthCommand()//类型构造器
        {
            //★③，修改两个字符串参数名。★④以及第三个参数的类型名。
            //routedUICmd = new RoutedUICommand("TitleBorderWidthCommand", "TitleBorderWidthCommand",
            //    typeof(TitleBorderWidthCommand),//创建RoutedUICommand对象
            //    new InputGestureCollection() 
            //    { 
            //        //★⑤，修改此处两个参数，以便挂接快捷键。
            //        new KeyGesture(Key.S,ModifierKeys.Control,"Ctrl+S")
            //    });

            routedUICmd = new RoutedUICommand(
                "TitleBorderWidthCommand",
                "TitleBorderWidthCommand",
                typeof(TitleBorderWidthCommand),//创建RoutedUICommand对象
                null//无快捷键
                );

            cmdBinding.Command = routedUICmd;
            cmdBinding.CanExecute += new CanExecuteRoutedEventHandler(cmdBinding_CanExecute);
            cmdBinding.Executed += new ExecutedRoutedEventHandler(cmdBinding_Executed);
        }

        private static CommandBinding cmdBinding = new CommandBinding();

        public static CommandBinding CmdBinding
        {
            get { return cmdBinding; }
        }

        static void cmdBinding_Executed(object sender, ExecutedRoutedEventArgs e)
        {
            //★⑦，修改此方法的实现。

            SetTitleBorderWidth((int)Globals.MainWindow.sliderBorderWidth.Value);
        }

        internal static void SetTitleBorderWidth(int newWidth)
        {
            if (Globals.MainWindow.SelectedTitlesList.Count <= 0) return;

            ModifingItem mi = new ModifingItem()
            {
                IsNeedRefreshTitleAndLinesLocation = true,
                ModifingName = "设置标题边框宽度"
            };

            foreach (Title t in Globals.MainWindow.SelectedTitlesList)
            {
                Action act = new Action(t.ID, -1, t.GetType().Name, "BorderWidth",
                    t.BorderWidth.ToString(), newWidth.ToString());
                t.BorderWidth = newWidth;

                mi.Add(act);
            }

            Globals.MainWindow.Do(mi);
            Globals.MainWindow.IsModified = true;
            Globals.MainWindow.RefreshTitleAndLinesLocation();
        }

        static void cmdBinding_CanExecute(object sender, CanExecuteRoutedEventArgs e)
        {
            //★⑧，修改此方法的实现。
            if (Globals.MainWindow.SelectedTitlesList.Count <= 0)
            {
                e.CanExecute = false;
            }
            else e.CanExecute = true;
        }
    }
}
